6
INTRODUCTION
Specification
Digital inputs and outputs
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2 x cable digital inputs, 75Ω, IEC958, 44.1-96kHz. FIFO locks at 44.1, 48,
88.2, or 96kHz ± 150ppm, PCM or MHR encoding.
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176.4kHz or 192kHz supported with special firmware and cabling; details
available on request.
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1 x cable digital output, 75Ω, IEC958, providing a copy of the selected
input.
Signal processing
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2 x Motorola 56366 running at 100MHz.
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4 x 192kHz/24-bit Delta-Sigma DACs.
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Crossovers linear-phase ±30º at 200Hz and 2.6kHz.
Output stages
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Power amplifiers: Complementary bipolar design, with output-stage
error correction and low feedback design.
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Bass: 3 x 150W RMS.
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Mid: 100W RMS.
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Treble: 100W RMS.
Acoustic
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3 way.
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Closed bass enclosure.
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Separate mid/top plywood cabinet.
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Bass drive unit: 6 x 200mm (8") high-efficiency long-throw custom
drivers.
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Mid drive unit: 1 x 160mm (6") custom driver.
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Treble drive unit: 1 x 25mm (1") Meridian piston in short horn,
composite dome with silver voice-coil.
Characteristics
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Distortion typically <0.01%, or <0.02% up to full power at all
frequencies.
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Noise and hum <-94dBr at all volume settings.
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Acoustic output typically >115dB spl @ 1m.
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Acoustic noise <15dB spl @ 1m.
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Frequency response in room response within 3dB, 25Hz-35kHz.
Control
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2 x Meridian Comms.
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9-pin D connector for RS232 PC setup and control, null modem, 9600
baud, 2N1, no handshake.